<div class="container" >
  <div class="float_r">
    <fieldset>
  <div>
    <div>
    <label class="mark">用户名: </label>
  </div>
    <input [(ngModel)]="user.username" placeholder="用户名" />
  </div>
  <div>
    <div>
    <label class="mark">密码: </label>
  </div>
    <input type="password" [(ngModel)]="user.password" placeholder="密码" />
  </div>
  <div calss="table">
  <button (click)="onSubmit()">提交</button>
  </div>
</fieldset>
  </div>
</div>
